Mini e WWAN card for adapter USB with SIM socket for 3G/4G module tester Description: Mini e to USB adapter card, which adds a lock for a fixed module, which is convenient for users to install and improves the reliability and stability of the module. PCB has 4 screw holes for small industrial control housing Increase the distance between the SIM card holder and the rear panel elements Add 4-wire drive with USB input holes for direct soldering of USB cable Working principle: The Mini e 52Pin interface defines the USB signal and the voltage of 3,3 V. The adapter card converts the voltage of the 5 V interface of the USB to 3,3 V za via the LDO chip,powers the module and operation of the SIM card and the USB signal bus signal. Mini meets industry specifications for 1,30 The adapter card is suitable for 4G/3G modules with full height (30*50-51mm) (USB bus) Working time display LED Scope of application: suitable for most 3G/4G modules, it can also be used for internet access and module brushing, debugging, testing and unlocking via USB port. Specifications: Mini E to USB with SIM socket WWAN test card 3G or 4G module development card back When you use this product 1 you need to have your own 3G or 4G module 2: after installing 3G or 4G module, you need to install 3G or 4G module driver on your computer The package includes: 1x card Mini e WWAN to adapter USB